- Diagnosis of CP CML of ≤6 months (from initial diagnosis); Diagnosis of CP CML with
molecular confirmation by detection of BCR-ABL rearrangement at screening
(cytogenetic assessment for Ph is not required for enrollment; however, patients with
known Ph- CML prior to registration are not eligible for this study)
- Age ≥20 years
- Eastern Cooperative Oncology Group (ECOG) performance status (PS) 0 or 1
- Adequate Liver and Renal Function
- Any prior medical treatment for CML, including TKIs, with the exception of
hydroxyurea treatment, which is permitted for up to 6 months prior to registration
- Any past or current CNS involvement, including leptomeningeal leukemia
- Extramedullary disease only
- Major surgery or radiotherapy within 14 days prior to registration
- History of clinically significant or uncontrolled cardiac disease
- Patients with active, uncontrolled bacterial, fungal, or viral infection
- Recent or ongoing clinically significant GI disorder
- History of another malignancy within 5 years prior to registration
- Uncontrolled hypomagnesemia or uncorrected hypokalemia due to potential effects on
the QT interval
- Known prior or suspected severe hypersensitivity to study drugs or any component in
their formulations
- Participation in other studies involving investigational drug(s) within 30 days or 5
half-lives of investigational product, whichever is longer, prior to registration
and/or during study participation
- Other severe acute or chronic medical or psychiatric condition, including recent or
active suicidal ideation or behavior, or laboratory abnormality that may increase the
risk associated with study participation or interfere with the interpretation of
study results
- Investigational site staff members directly involved in the conduct of the study and
their family members, or Pfizer employees, including their family members, directly
involved in the conduct of the study